so that all are aligned completely.
b. YHC, YV, XV, Adjustment (Fig. 14)
a. Adjust so that Static and Dynamic convergence is
best with YHC, VR, YV and XV coil.
In case of static convergence is tilted, repeat (1)
Static convergence Adjustment.
c. Dynamic convergence Adjustment
a. When dynamic convergence is bad, fixing permalloy
between neck and DY so that dynamic convergence
is best.
4. Confirm that left upper side line is straight.
When left upper side line isn’t straight, put magnet on DY
and adjust the left upper side line to straight.
4.10. Cut Off
Preparation
1. Receive a colour bar signal with colour “OFF”, and operate
the TV set more than 15 minutes.
2. Set the picture menu to “DYNAMIC NORMAL” and the AI to
off.
3. Connect an oscilloscope to TPL7 with DC mode.
4. Set the TV set to Service Mode 1.
5. Screen VR : Min.
6. Set the data level of SUB BRIGHT, R, G, B-CUTOFF and
R, G, B-DRIVE to the table values.
Display ........ Date Level
R High (R-CUT OFF) ........ 128
G High (G-CUT OFF) ........ 128
B High (B-CUT OFF) ........ 128
R Low (R-DRIVE) ........ 175
G Low (G-DRIVE) ........ 175
B Low (B-DRIVE) ........ 175
SUB BRIGHT ........ 128
Adjustment
1. Select G-CUTOFF adjustment mode and collapse vertical
scan.
2. Adjust G-CUTOFF control to become the DC=0V to video
level at 180V as shown below.
3. Slowly turn the screen control clockwise until a green colour
horizontal line appears on the picture tube. This is the
setting point for the screen control.
Note that do not adjust the G-CUTOFF setting in the
following procedure.
4. Adjust the remained R and B-CUTOFF controls so as to get
a white horizontal line on the screen.
5. Return to full field SCAN by pushing the position 5 key on
the remote control.
6. Adjust the R-Drive and B-Drive controls as to obtain uniform
white on the white bar of the greyscale pattern.
7. Confirm correct B/W rendition and greyscale tracking or
repeat CUTOFF and drive control setup.
Note:
Write down the original value for each address adjustment
before adjusting anything.
13
TX-29P800R-IRAN
Содержание TX-29P800R-IRAN
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